Difference between revisions of "ACPI"
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=== ACPI 2.0/3.0 without XSDT === | === ACPI 2.0/3.0 without XSDT === | ||
Linux 2.6.12.x requires an XSDT if the RSDP revision is larger than 0 as it's hardcoded to use that instead of the RSDT then. Fixed in later Linux versions. | Linux 2.6.12.x requires an XSDT if the RSDP revision is larger than 0 as it's hardcoded to use that instead of the RSDT then. Fixed in later Linux versions. | ||
=== PCI Hotplug _BBN fail === | |||
If you are seeing the following error you are on a (most likely old) system with PCI(e) hotplug. | |||
pci_hotplug: PCI Hot Plug PCI Core version: 0.5 | |||
pciehp: acpi_pciehprm:\_SB_.PCI0 evaluate _BBN fail=0x5 | |||
pciehp: acpi_pciehprm:get_device PCI ROOT HID fail=0x5 | |||
Add the following under PCI0 device to get rid of the error: | |||
Name(_ADR, 0) | |||
Name(_BBN, 0) | |||
= Further Resources = | = Further Resources = | ||